The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

A utility-first CSS framework for rapid UI development.

Semantic is a UI component framework based around useful principles from natural language.

Modern CSS framework based on Flexbox

Materialize, a CSS Framework based on Material Design

⭐️ ⭐️ ⭐️ ⭐️ ⭐️  The most popular, free and open-source Tailwind CSS component library

NES-style CSS Framework | ファミコン風CSSフレームワーク

Themes for Bootstrap

An extended table to integration with some of the most widely used CSS frameworks. (Supports Bootstrap, Semantic UI, Bulma, Material Design, Foundation, Vue.js)

Spectre.css - A Lightweight, Responsive and Modern CSS Framework

A minimalist CSS framework.

Minimal CSS Framework for semantic HTML

A drop-in collection of CSS styles to make simple websites just a little nicer

[Not Actively Maintained] CSS-in-JS with near-zero runtime, SSR, multi-variant support, and a best-in-class developer experience.

Impressive component library for expressive web development! Build responsive projects on the web with the first front-end component library in Metro Style. And now there are even more opportunities every day!

List of awesome CSS frameworks in 2023

Open source CSS framework for data visualization.

Modern framework to print the web correctly.                                               

🔥 CSS talks you have to see ⚡️ covering CSS Grid, flexbox, custom variables, performance, frameworks, Sass, tools, and more! 🚀

Lightweight CSS framework